Kisiel, R., Marks-Bielewska, R., & Kowalska, A. (2011). Direct Subsidies and Changes in Farms on the Example of Selected Districts of WarmiƄsko-Mazurskie Voivodship. Journal of Agribusiness and Rural Development, 22(4), 101-114. Retrieved from http://www1.up.poznan.pl/jard/index.php/jard/article/view/751